{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "cell type", "protein", "DNA", "cell line"], "input": "Binding of erythroid and non-erythroid nuclear proteins to the silencer of the human epsilon-globin-encoding gene ."}
{"RNA": [], "cell type": [], "protein": [], "DNA": ["silencer", "human epsilon-globin-encoding gene"], "cell line": []}